the water washing step of our dope dyed PBT core spun yarn

water washing , need three liquid 

1-softener(silicone oil)

2-smoothing agent 

3-warm water

1- the percentage of  per  liquid during washing    Softener (silicone oil) 10% +Smoothing agent 10% + water 80%2-put the fabric in these liquid  an half hour3-need Stirring during washing 4-water temperature is from 70degree to 80 degree